#Database_OTU Count Abundance Taxonomy 116221 3 0.428571 Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales; Halomonadaceae; Candidatus_Portiera; Unclassified; otu_116221 4338276 3 0.428571 Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales; Geobacteraceae; Geobacter; Unclassified; otu_4338276 4301194 1 0.142857 Bacteria; OP11; OP11_1; Unclassified; Unclassified; Unclassified; Unclassified; otu_4301194